package main
import "fmt"
func zeroval(ival int)  {
	ival=0
}
func zeropstr(iptr *int){
	*iptr=0
}
func main(){
	i:=1
	fmt.Println("initial:",i)
	zeroval(i)
	fmt.Println("zeroval:",i)
	zeropstr(&i)
	fmt.Println("zerosptr:",i)
	fmt.Println("pointer:",&i)
}